Gemini 1.5 Flash

Google

Fast Gemini for high-volume tasks

Text Generation API Gemini Family
Back to Models
Parameters
-
params
Context Window
1.0M
tokens
Max Output
8K
tokens
Input Price
$0.0750
per 1M tokens
Output Price
$0.3000
per 1M tokens

Gemini Family Timeline 12 versions

Gemini 3.1 Flash-Lite api
Mar 2026
Gemini 3.1 Pro Latest api
Feb 2026
Gemini 3.0 Ultra api
Nov 2025
Gemini 3.0 Flash api
Oct 2025
Gemini 3.0 Pro api
Oct 2025
Gemini 2.5 Flash Lite (8B) api
May 2025
Gemini 2.5 Flash api
Apr 2025
Gemini 2.5 Pro api
Mar 2025
Gemini 2.0 Flash Exp api
Dec 2024
Gemini 1.5 Pro api
May 2024
Gemini 1.5 Flash Current api
May 2024
Gemini 1.5 Pro (Vertex) api
-

Capabilities

👁️
Vision
⚡
Function Calling
📋
JSON Mode
🌊
Streaming
💬
System Prompt
🖥️
Code Execution
🔍
Web Search
🔌
MCP Support

Details

Release Date
May 14, 2024
Knowledge Cutoff
May 1, 2024
Source
API
API Key Required
Yes
License
Proprietary
Model ID
gemini-1.5-flash
Last updated: November 26, 2025